机载天线辐射方向图的MoM-UTD混合法分析

Analysis of Radiation Pattern of Aircraft Antenna Using a Hybrid MoM-UTD Method

采用矩量法（MoM）结合一致性几何绕射理论（UTD）的混合方法分析了机载单极天线的辐射特性。用该混合方法建立的机载天线辐射模型更符合实际，并且它同时具有MoM的精确性和UTD的高效性，克服了单一方法的不足。计算结果对于预测天线间的电磁兼容性和优化天线布局具有一定的指导意义。

A hybrid technique for combining moment methods （MoM） with the uniform geometrical theory of diffraction （UTD） was employed to calculate the radiation pattern of the aircraft antenna. The radiation model of antenna made by this hybrid technique was more practical. The results are useful to forecast the EMC of aircraft antennas and optimize the antenna position.